Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index -2.02
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) 8.02 -0.375 -3.00
Prot (kg) -2.32 -0.441 1.02
Fertility Sub Index -2.26
Calving Interval (days) 1.08 -1.459 -1.58
Survival (%) -0.61 1.117 -0.68
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index -0.10
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 4.01 -0.432 -1.73
Maintenance Sub Index Maint. Sub Index -0.43
Live WT (kg) 1.40 -0.307 -0.43
Total Carbon Sub Index -4.45

* Based on an €80/tonne carbon price